Q. What is the role of `ngOnDestroy` lifecycle hook?

  • (A) Initialize component
  • (B) Cleanup before component is destroyed
  • (C) Detect changes
  • (D) Load data
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✅ Correct Answer: (B) Cleanup before component is destroyed
Explanation: `ngOnDestroy` is used to unsubscribe and cleanup resources.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:52 am in Angular

Explanation by: Mr. Dubey
`ngOnDestroy` is used to unsubscribe and cleanup resources.

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